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Stroud

Polluted by sewage 378 times in 2025 lasting 2,942 hours

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Contains OS Data © Crown copyright & database right 2021-2024
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Live data for Stroud in 2026

So far this year (as of 25 Oct 2026, 10:01) there has been 2,998 hours of sewage overflows, from 53 CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s

Sewage without rain in Stroud

On 13 occasions since December 2024, no rain fell anywhere in Stroud for days — and its CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s discharged anyway.

25 Dec - 27 Dec 2025 1 at once · 52h 17 May - 20 May 2025 1 at once · 40h 3 Mar - 4 Mar 2025 2 at once · 35h

Totals for Stroud in 2025

12 Sites polluted by Severn Trent Water Wessex Water
378 sewage dumps
2,942 hours duration
That's 4.09 months. On average 1 times a day

Change Over Time

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Sewage pollution map of Stroud: 378 spills in 2025, lasting 2,942 hours, by Severn Trent Water and Wessex Water
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Waterways in Stroud

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Pollution Summary 2025

Here are all the reported sewage overflow totals for Stroud in 2025. Sometimes sewage can be being dumped for months at a time.

Reporting refers to how much of the time the monitoring was active. In this constituency all the declared CSO Combined Sewage Overflow - a device that, when operating, pours combined rainwater & sewage into a waterway s appeared to have monitoring enabled for more than 50% of the year

Company Waterway Site Sewage Dumps Duration (Hours) Reporting %
Severn Trent Water River Frome STANLEY DOWNTON WWTW 58 906 100
Severn Trent Water River Cam COALEY STW 47 670 99.7
Severn Trent Water River Severn HOLBURY CRESCENT PUMPING STATION 53 605 99.1
Severn Trent Water River Cam CAM - DRAYCOTT CSO 44 262 100
Wessex Water Dyers Brook HACK MILL COMBINED SEWER OVERFLOW 57 192 100
Wessex Water Doverte Brook NORTH NIBLEY WATER RECYCLING CENTRE 16 138 100
Severn Trent Water River Severn ATTWOOLLS SEWAGE PUMPING STATION 18 113 100
Severn Trent Water Nailsworth Stream NAILSWORTH OLD MARKET CSO 20 16 99.8
Wessex Water Dyers Brook WATER LANE CSO 23 14 100
Wessex Water Dyers Brook OLD COACH YARD CSO 37 12 100
Severn Trent Water River Frome OCEAN BRIDGE CSO 4 9 100
Severn Trent Water River Ewelme LISTER'S CAR PARK CSO 1 0 84.1
Severn Trent Water Nailsworth Stream BATH RD-STATION RD CSO 0 0 100
Severn Trent Water River Frome BEARD'S LANE CSO 0 0 95.7
Wessex Water Dyers Brook BRICKFIELDS COMBINED SEWER OVERFLOW 0 0 100
Severn Trent Water River Frome BRIMSCOMBE CARAVAN SITE CSO 0 0 100
Severn Trent Water River Frome BUSSAGE SOUTH CSO 0 0 100
Severn Trent Water R Severn FRAMPTON STW 0 0 99.7
Severn Trent Water Painswick Stream GANNICOX ROAD CSO 0 0 98.4
Wessex Water Berkeley Pill PARK VIEW ROAD PUMPING STATION 0 0 98.6
Severn Trent Water River Frome REGENT STREET CSO 0 0 100
Severn Trent Water River Frome STANLEY DOWNTON CSO 0 0 100

Data Sources & Accuracy

EDM (Event Duration Monitoring) data and Consented Discharges to Controlled Waters with Conditions from Environment Agency & Data Map Wales, and Scottish Water

Experimental derived data from Thames Water API, Some data may be missing or inaccurate. Live sewage data from Stream Water API

Annual figures up to and including 2025 come from official water company returns. The 2026 figure is our own estimate, derived continuously from the companies' live data feeds.

Uses Environment Agency rainfall data from the real-time data API (Beta) - Rainfall data is delayed by up to two days.

This website is intended to provide an accurate representation of the Environment Agency data. The data is hard to use, and thus some errors may have been made. If you find something that is incorrect, please raise an issue at the GitHub issues page and we'll endeavour to fix it quickly.

This project is not associated, approved or endorsed by any of the companies whose logos you see here.

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